60 miles per hour= 1 mile per minute. That's 3.73 seconds for 100 meters, which a cheetah could do from a running start. From a static start, something would only need to average 38 miles per hour to break 6 seconds and beat the cheetah's time. A Siberian tiger runs 50. read more
In the nineteenth century the one lap of the track race was, in many countries (including the UK), for 440 yards (a quarter mile). This is actually slightly longer than the metric equivalent of 400 metres (402.336 m). read more