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
British land speed record Mile (150.76 m.p.h.) and Flying Kilometre (150.86 m.p.h.). Henry Segrave on 16 March 1926 set the land speed record in his 4-litre Sunbeam Tiger " 'Ladybird' " on the sands at Southport, England at 152.3 m.p.h. "The mean time for the flying kilometre was 14.6876 seconds equal to 245.11 kilometres per hour, or 152.308 miles per hour." The car suffered supercharger failure during the record run and did not break the mile record. On 27 April 1926, at Pendine Sands J. G. Parry-Thomas in the Higham-Thomas Special "Babs" set the Flying Mile record at 168.07 m.p.h. and the Flying Kilometre