shayna has made the decision to cut away her main parachute. good. >> after about four or five times spinning one way, i'm realizing, man, she's flying a bad parachute. >> shayna's chute has what's known as a hung slider, the nylon webbing that slides down the lines during deployment is stuck. as a result, her reserve parachute only partially opens and she's spinning out of control at a tremendous speed. >> shayna! pump the brakes! pump the brakes! pump the brakes! i started screaming "pump the brakes! at's what u ar in the video. i'm screaming, you know, "pump the brakes! pump the brakes!" we're getting closer and closer and closer to the ground, and it was. happened. >> within seconds she crashes into a parking lot. rick lands in a nearby field about 300 yards away and rushes toward her. >> i reached up, shut the video off, and ran up to her. as i took off running, it was like slow motion. it was just the weirdest thing i had ever experienced in my life. >> when rick reaches shayna, she's barely conscious, and while her injuries are horrifyin