Incredible 3D simulation shows the speed
A 3D simulation pitted Usain Bolt, the fastest man alive, against a greyhound and a cheetah in a virtual 100-meter race. Bolt, who still holds the world records for the 100m and 200m sprints (9.58s and 19.19s, respectively, both set in 2009), has remained unbeaten by any human. But when it came to the animal…