I was suspicious of the speed of sound thing, but this looks to back that assertion up. http://physics.stackexchange.com/a/4730/81783 http://physics.stackexcha

I was suspicious of the speed of sound thing, but this looks to back that assertion up. http://physics.stackexchange.com/a/4730/81783 http://physics.stackexchange.com/a/4730/81783