True, but they aren't going as fast as they think the speed of gravity is 9.8m/s and you have air resistance holding you back from falling faster
90% is lost, as only 10% is available to the next level.
Vitamins are essential compounds that must be acquired through the diet
because the body can't synthesize them. One of the reasons vitamins are
needed is because they play an indirect role in catalysis, in which
enzymes speed up chemical reactions. :D
