However , given the glide ratio of modern parachutes , we have the ability to close the gap quickly after opening by pointing our canopies in the wrong direction .
Many jumpers believe that once the freefall is over , there is no way to prevent a collision .
Given the glide ratio of modern parachutes , we have the ability to close the gap quickly after opening by pointing our canopies in the wrong direction .
Many jumpers believe that once the freefall is over , there is no way to prevent a collision .