Have you seen this one?

[cjsgarage]

if you look closely in the video, you can see the driveshaft roll out toward the car that is taking the video. It looks like the front u-joint gave out, the front of the driveshaft fell out of the car and swung around in the tunnel (hence the bucking around before it drops) and then hit the ground.. shoving the axle out of the car.

It was an old myth that cars from the late 60's could flip if that happened. Mythbusters couldn't get their car to do it. But that's what looks like happened to me. The audio version has the videographers just rolling with laughter. It's too funny.