Originally Posted by lomapaseo
You seem to pre-suppose that there is lots of room down there to move arround in and get it (bottle) up to speed.
OK "rolling around" was perhaps too graphic, but there is presumably a good reason why they are restrained in the first place
. I don't know how much distance would be required to generate enough force to penetrate the skin but the video links on here (
Mythbusters et al) indicate one going off is definitely not a Good Thing; anywhere. Even less so at 290 in a thin metal tube.