Don't even think of trying this! This was not a very smart thing to do but luckily, this guy didn't get hurt. This is what your face would look like while going 150 mph on a bike - without a helmet, so imagine what your face would look like if it hit the road at that speed! But if you thought 150 mph was bad, how about over 450 mph? Astonishingly, NASA did a scientific test in this field in the 1940s, going all the way up to 457mph. (See second vid after 'read more'.)
