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Racing, Running

BBC: Secret of Usain Bolt’s Speed Unveiled

usain-bolt-2012

Usain Bolt celebrates his 100m win at the 2012 London Olympic Games.

Scientists say they can explain Usain Bolt’s extraordinary speed with a mathematical model.

His 100m time of 9.58 seconds during the 2009 World Championships in Berlin is the current world record.

They say their model explains the power and energy he had to expend to overcome drag caused by air resistance, made stronger by his frame of 6ft 5in … [Read more]

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