30 feet up in the air down to zero in a matter of two seconds. >> there's nothing i can do because my body is full length stretched in the air. i didn't want to break my neck. i knew this was going to hurt. all of a sudden my heels came next to my ears. my body collapsed on itself the wrong way that a body should fold. then i hit the water, it was probably 45 miles an hour. when you hit water at that speed, it's real hard. it's like asphalt. >> for a moment, the guys think it's funny. the kite tube flies off into the air without chase. >> it was hysterical to see this kite tube with our friend trying to ride it and it just takes a dive and smacks against the lake. chase was holding on and his legs were pointed up in the sky and it was just funny. >> but then the guys realize chase may be hurt. >> it quickly switched from being funny to, oh, my god, is he okay? he just smacked his head. >> we saw him just kind of lying in the water there still. so he's definitely unconscious for just a few seconds. and we immediately went into,