As part of the male reproductive system, the prostate glandâs main purpose is to secrete a slightly alkaline fluid that forms part of the seminal fluid, a fluid that carries sperm.
Average Speed. If you take the average speed of the current world 100 m record (Bolt's 9.58 s), you get about 10.44 meters/sec (23.35 miles/hr, 37.58 km/hr). However, if you were to record instantaneous speed at different points throughout the race, the runner would reach a maximum speed much greater than this.
Morocco's Hicham El Guerrouj, the King of the Mile, is the current world record holder with a time of 3:43.13, set in Rome in 1999. He also is the current world record holder in the 1,500, 3:26.0, and the 2,000, 4:44.79. He is a double Olympic gold medalist, winning the 1,500- and 5,000-meter races in Athens in 2004. Born in Siberia, Russia's Svetlana Masterkova holds the women's world record for the mile at 4:12.56, set on Aug. 14, 1996.