I arrived to film a hot Sunday afternoon at Lac Vouglans. The fast jet ski caught my eye when I first arrived (start of clip), and an hour later I saw him coming towards me and filmed him again. He turns around to come and ask me what I'm doing ..?
I explain and as he opens the throttle to leave sucks in stones from the bottom and damages the machine.
Perhaps we'll never know how things ended up unless he looks at this video. (I did tell him my username) He hitched a ride off to take him the two miles back to friends & family.
The jet ski left where we see it.

Filmed with a 2004 Panasonic DVC 30 on full auto (16x optical zoom)
Tripod incident .. I left home with the camera and tripod but forgot the 30cm/one foot long arm to control pan and tilt. I adapted, but ...