Originally Posted by Planespotta

Thanks for posting that! Airspeed is life!
My uncle had the privilege of flying on the shuttle 5 times . . . he told me that when they entered the atmosphere and passed through the high cloud layers, they were still going 17,500 mph. The clouds shooting by outside really gave a tremendous feeling of speed, and it was the only time he could really appreciate just how fast 25 times the speed of sound felt.