Usain Bolt is the fastest man on the planet and a sportsman like no other. But what makes him so much faster than any other man in the history of the human race? Show more
Discover 11,128,835 listings and 279,851 playable programmes from the BBC
Usain Bolt is the fastest man on the planet and a sportsman like no other. But what makes him so much faster than any other man in the history of the human race? Show more