Getting yourself flat on the floor of a free-falling elevator could be interesting, as you will be experiencing zero-G at the time. You could wait for air resi

Getting yourself flat on the floor of a free-falling elevator could be interesting, as you will be experiencing zero-G at the time. You could wait for air resistance on the elevator to take effect as it accelerates, but I imagine that its terminal velocity would be quite high so this might take a while.