The speed at which one subject farts......there is a time gap......then the fart is heard. That time is know to be Mach 2.
IT IS THE TIME THAT IT TAKES A FART TO ENTER EAR AFTER LEAVEING BUTT. note: it is on every fart.
joe:(farts) safety, no blitz, no bonus!!!!!
jeremy: don't say all that hubba bubba, just say mach 2
joe: your awsome
jeremy: i know