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.
1 Another informal distance, which could be used to aid a 200 m runner's stamina, or a 400 m runner's speed. 2  As of 27 May 2010 the world's best for this event was 30.85 seconds, set by Michael Johnson in Pretoria in 2000. 3  The women's record is 35.30 seconds, set by Ana Guevara in Mexico City in 2003.