In world record, Bolt triumphed over air

July 26, 2013

Bolt_triumphedParis, Jul 26: Scientists today said Usain Bolt performed a feat of biomechanics when he ran 100m in a record 9.58sec at the 2009 World Championships in Berlin.

Crossing the line in a time that is still a world record meant Bolt had to muster "truly extraordinary" power and energy to overcome exceptional drag, they said.

Taking into account the altitude of the Berlin track, the temperature at the time of the race and the resistance caused by Bolt's 1.95m (six feet five inch), 94-kilo (207-pound) frame, the researchers calculated he had a drag coefficient of 1.2, which is less aerodynamic than the average human.

Bolt hit peak power after only 0.89 seconds, expending 81.58 kilojoules of energy by the time he finished the race.

But 92.21 percent of this energy was used to overcome air resistance, according to a paper appearing in the European Journal of Physics. Only 7.79 percent was used to achieve motion. After 41 strides, he crossed the line at 43.92 kilometres (27.29 miles) per hour.

"The enormous amount of work that Bolt developed in 2009, and the amount that was absorbed by drag, is truly extraordinary," said scientist Jorge Hernandez from the National Autonomous University of Mexcio.

"It is so hard to break records nowadays, even by hundredths of a second, as the runners must act very powerfully against a tremendous force which increases massively with each bit of additional speed they are able to develop.

"This is all because of the 'physical barrier' imposed by the conditions on Earth. Of course, if Bolt were to run on a planet with a much less dense atmosphere, he could achieve records of fantastic proportions."

The team compared Bolt's time in Berlin with his previous world-record time, of 9.69sec, set during the 2008 Beijing Olympics. In Berlin, he benefited from a tiny tailwind of 3.23 kph (2 mph), the researchers found.

Without this boost, he would have come in at 9.68sec, thus beating the previous mark by 0.01sec. The analysis was made from data provided by the International Association of Athletics Federations (IAAF), whose laser tracker recorded Bolt's position and speed every 0.1 of a second in Berlin.

Comments

Add new comment

  • Coastaldigest.com reserves the right to delete or block any comments.
  • Coastaldigset.com is not responsible for its readers’ comments.
  • Comments that are abusive, incendiary or irrelevant are strictly prohibited.
  • Please use a genuine email ID and provide your name to avoid reject.
News Network
April 7,2020

Bengaluru, April 7: India batsman Robin Uthappa has said that he reckons he still has a World Cup left in him, despite being out of the team for than four years.

Uthappa had last played a match for the Men in Blue in 2015 on the tour of Zimbabwe.

"Right now I want to be competitive. I still have that fire burning in me, I really want to compete and do well. I honestly believe I have a World Cup left in me, so I'm pursuing that, especially the shortest format. 

The blessings of lady luck or god or whatever you call it, plays a massive factor," ESPN Cricinfo quoted Uthappa as saying.

"Especially in India, it becomes so much more evident. I don't think it is as evident when you're playing cricket outside of India. But in the subcontinent and India especially, with the amount of talent that we do have in our country, all of those aspects become evident," he added.

The 34-year-old Uthappa has played 46 ODIs and 13 T20Is for India and he was also a part of the T20 World Cup-winning squad in 2007.

Uthappa has scored 934 runs in ODIs at an average of 25.94, while in T20Is his numbers are 249 runs at an average of 24.90.

"You can never write yourself off. You would be unfair to yourself if you write yourself off.

Especially if you believe you have the ability and you know that there is an outside chance. So I still believe in that outside chance," Uthappa said.

"I still believe that things can go my way and I probably can be a part of a World Cup-winning team and play an integral role in that as well.

Those dreams are still alive and I think I'll keep playing cricket till that is alive," he added.

Uthappa had enjoyed great success with IPL franchise Kolkata Knight Riders. He went on to become their leading run-scorer in the 2014 edition.

However, he was released by the side after a below-par 2019 season, and last November he was picked up by the Rajasthan Royals for the 2020 edition.

Comments

Add new comment

  • Coastaldigest.com reserves the right to delete or block any comments.
  • Coastaldigset.com is not responsible for its readers’ comments.
  • Comments that are abusive, incendiary or irrelevant are strictly prohibited.
  • Please use a genuine email ID and provide your name to avoid reject.
News Network
June 1,2020

Jun 1: Premier India pacer Jasprit Bumrah won't miss the hugs and high-fives as part of a wicket celebration but he will certainly miss applying saliva on the ball and feels an alternative should be provided to maintain the red cherry.

The ICC Cricket Committee, led by former India captain Anil Kumble, recommended a ban on using saliva on the ball as an interim measure to deal with the COVID-19 pandemic. However, the Committee did not allow the use of artificial substances as a substitute move.

The new rule makes life tougher for the bowlers and Bumrah, like many former and current fast bowlers, feels there ought to be an alternative.

"I was not much of a hugger anyway and not a high-five person as well, so that doesn't trouble me a lot. The only thing that interests me is the saliva bit," said Bumrah in a chat with Ian Bishop and Shaun Pollock on ICC's video series 'Inside Out'.

"I don't know what guidelines we'll have to follow when we come back, but I feel there should be an alternative," he added.

Bumrah said not being able to use saliva makes the game more batsman-friendly.

"If the ball is not well maintained, it's difficult for the bowlers. The grounds are getting shorter and shorter, the wickets are becoming flattered and flatter.

"So we need something, some alternative for the bowlers to maintain the ball so that it can do something - maybe reverse in the end or conventional swing."

When former West Indian pacer Bishop pointed out that the conditions have been favorable to the fast bowlers over the last couple of years, Bumrah nodded in agreement.

"In Test match cricket, yes. That is why it's my favorite format because we have something over there. But in one-day cricket and T20 cricket… one-day cricket there are two new balls, so it hardly reverses at the end.

"We played in New Zealand, the ground (boundary) was 50 metres. So even if you are not looking to hit a six, it will go for six. In Test matches I have no problem, I'm very happy with the way things are going."

He finds it amusing that the batsmen keep complaining about the swinging ball.

"Whenever you play, I've heard the batsmen - not in our team, everywhere - complaining the ball is swinging. But the ball is supposed to swing! The ball is supposed to do something! We are not here just to give throwdowns, isn't it? (laughter)

"This is what I tell batsmen all the time. In one-day cricket, when did the ball reverse last, I don't know. Nowadays the new ball doesn't swing a lot as well. So whenever I see batsmen say the ball is swinging or seaming and that is why I got out - the ball is supposed to do that.

"Because it doesn't happen so much in the other formats, it's a new thing for the batsmen when the ball is swinging or seaming," said the 26-year-old.

The Ahmedabad-born pacer finds himself in an unusual position as he has not bowled for over two months due to the lockdown imposed in the wake of the coronavirus outbreak.

When India will play next is not clear yet and Bumrah said he is not sure about how his body will hold up when he returns to action.

"I really don't know how your body reacts when you don't bowl for two months, three months. I'm trying to keep up with training so that as soon as the grounds open up, the body is in decent shape.

"I've been training almost six days a week but I've not bowled for a long period of time so I don't know how the body will react when I bowl the first ball.

"I'm looking at it as a way to renew your own body. We'll never get such a break again, so even if you have a small niggle here and there, you can be a refreshed person when you come back. You can prolong your career," he said.

Bumrah has risen rapidly in international cricket despite experts having reservations about his longevity due to his unorthodox action.

The gritty fast bowler sees similarities in his career graph to Swedish football star Zlatan Ibrahimovic.

"Our personalities are different. But the story I could relate to is that not many people thought he would make it big. There was a similar case with me growing up as well.

"Wherever I went, it was the general feedback from people that 'this guy would not do anything, he would not be a top-rated bowler, he won't be able to play for a long period of time with this kind of action'.

"So, having the self-belief is important and the only validation that is required is your own validation. I saw that in his (Ibrahimovic's) story, so that's the thing I could relate to," added Bumrah.

Comments

Add new comment

  • Coastaldigest.com reserves the right to delete or block any comments.
  • Coastaldigset.com is not responsible for its readers’ comments.
  • Comments that are abusive, incendiary or irrelevant are strictly prohibited.
  • Please use a genuine email ID and provide your name to avoid reject.
News Network
July 1,2020

New Delhi, Jul 1: After being named as India's 'Most Valuable Player' in Test cricket in the 21st century, all-rounder Ravindra Jadeja on Wednesday said that he will always aim to give his best for the country.

His remark came as Jadeja achieved an MVP rating of 97.3 and as a result, he was also rated as the second most valuable player Test player worldwide, only second to Sri Lanka's Muttiah Muralitharan.

"Thank you Wisden India for naming me the 'Most Valuable Player'. I would like to thank all my teammates, coaches, fans, and well-wishers for your support as I aim to give my best for our country. Jai Hind," Jadeja tweeted.

Based on CricViz's market-leading analytics, each player in world cricket was awarded an 'MVP rating' by Wisden using a statistical model to rank their 'match impact' compared to their peers.

Jadeja has played in 49 Tests from 2012, managing to score 1,869 runs and has also picked up 213 wickets.

"It might come as a surprise to see Ravindra Jadeja, India's spin-bowling all-rounder, feature as India's number one. After all, he's not even always an automatic pick in their Test team. However, when he does play he is picked as a frontline bowler and has batted as high as No.6 - contributing to a very high match involvement," the official website of Wisden quoted CricViz's Freddie Wilde as saying.

"But Jadeja's position is based on more than simply volume: it's what he does when he's involved that really counts. The 31-year-old's bowling average of 24.62 is better than Shane Warne's and his batting average of 35.26 is better than Shane Watson's. His batting and bowling average differential of 10.62 runs is the second-best of any player this century to have scored more than 1,000 runs and taken 150 wickets. He is an all-rounder of the very highest quality," he added.

With the bat in hand, Jadeja has managed to score one century and 14 fifties in the longest format of the game.

He was last seen in action during India's two-Test series against New Zealand earlier this year.

He would have been in action for the Chennai Super Kings (CSK) in the IPL had the tournament commenced from March 29.

However, the IPL has been postponed indefinitely due to the coronavirus pandemic.

Comments

Add new comment

  • Coastaldigest.com reserves the right to delete or block any comments.
  • Coastaldigset.com is not responsible for its readers’ comments.
  • Comments that are abusive, incendiary or irrelevant are strictly prohibited.
  • Please use a genuine email ID and provide your name to avoid reject.