Miles per hour be used to express the speed of delivery of a ball in sporting events such as cricket, tennis and baseball. Miles per hour Miles per hour (abbreviated mph, MPH or mi/h) is an imperial and United States customary unit of speed expressing the number of statute miles covered in one hour. It is used in the United States, United Kingdom and many Commonwealth nations, particularly in the Caribbean region. Speed limits and road traffic speeds are given in miles per hour in the following jurisdictions (elsewhere kilometers per hour are used): Road traffic speeds in other countries are indicated in
Green Monster (automobile) 350 miles per hour (563 km/h), and Arfons rebuilt it into a less radical four-wheeled vehicle for 1990, but could manage only 177, 308 and 338 miles per hour (285, 496, and 544 km/h). In 1991 he tried again, but once again had to give up with handling problems. Green Monster (automobile) The Green Monster was the name of several vehicles built by Art Arfons and his half brother Walt Arfons. These ranged from dragsters to a turbojet-powered car which briefly held the land speed record three times during 1964 and 1965. The land speed record "Green Monster" won the