BASE jumping grew out of skydiving. BASE jumps are
generally made from much lower altitudes than skydives,
and a BASE jump takes place close to the object
serving as the jump platform. Because BASE jumps
generally entail slower airspeeds than typical skydives
(due to the limited altitude), a BASE jumper rarely
achieves terminal velocity. Because higher airspeeds
enable jumpers more aerodynamic control of their
bodies, as well as more positive and quick parachute
openings, the longer the delay, the better...