Figure 3: A ribbon diagram (side-view) of the base of ATP synthase, called the âF 0 â portion. It is made of twelve helical protein subunits arranged in a circle, forming the wall of a tube.
Most adults can run at about 7 mph in a short distance. That would be at top speed. If the same person ran a mile it would probably take about 30 to40 minutes depending if they are tired or fully energized. http://wiki.answers.com/Q/How_fast_can_an_average_person_run. it depends for how long but just a couple seconds i would guess around 15mph im pretty sure that if your physically able to run you could run atleast 15mph for a couple of secounds.
Below, I have taken several men's and women's world records and calculated the runners' average speed. Usain Bolt has averaged over 23 miles per hour in both the 100 and 200 meter events. It's interesting to note that the 60 meter race has a slower average speed for both men and women than the 100 meter race.