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.
Van Niekerk smashes 400m world record - South Africa's Wayde van Niekerk ran the fastest single lap in history to win the 400 meters gold medal in 43.03 seconds and break a 17-year-old world record at the Olympic Games on Sunday.