The maths behind the fastest person on Earth (and no it's not Usain Bolt)

Who is the fastest man on Earth? Usain Bolt, right? Wrong. The unpopular answer is, in fact, Justin Gatlin. In 2011, he ran the 100 metres in 9.45 seconds, the fastest time a human has ever run that distance, smashing Usain Bolt's best time by a massive 0.13 seconds.

Read the whole article on Physorg

More from Physorg