The boat picked up speed, the parachute picked up air and I began my ascent.  Dangling 400 feet above open water and clutching the straps of my harness, a 1,000 foot cord kept me tethered to the speedboat racing through the coastal waters of the Bahamas. My grip tightened as I floated through the air and thought for a brief moment what would happen if I fell into the waters below with a 100 pound parachute attached to my back.  As I looked  ...