11. Wing ailerons extended, slowing the air speed and threatening a stall. 12. The Delta 2 held the absolute World Air Speed Record for over a year. 13. Higher-yield explosions cause intense updrafts, where air speeds can reach 300 miles per hour. 14. The winner is the pigeon with the best air speed in yards per minute. 15. A fan powered by a 250-hp motor could produce an air speed up to. 16. As for taxiing air speeds , the control surfaces and wings have precious little effect. 17. "The first indication was a drop in indicated altitude and air speed , " he said. 18. But the minimum air speed for the Croatian turbine is about 2 meters a second. 19. The air speed at the wall interface is zero regardless of how smooth it is. 20. In 1930, she broke Amelia Earhart's air speed record.
