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
Hour record (recumbents) the Apeldoorn 250 meter indoor wooden Velodrome in the Netherlands. The Unfaired Recumbent One Hour record was broken three times in quick succession this weekend. Gert-Jan Wijers of the Netherlands set a new mark of 51.287 km (31.868 miles) on a M5 Carbon High-Racer recumbent on October 17. The next day October 18, 2009, Niels van de Wal set a new mark of 51.33 km (31.895 miles) on a M5 mid-racer recumbent called the Nadir. This was slightly lower to the ground than the high-racer version. However, later in the day, Aurélien Bonneteau set a new Unfaired Recumbent One Hour