Hitting a speed of about 800 miles per hour, Chuck Yeager broke this barrier in October 1947
He was the first ... [PAR] On October 14, 1947, Yeager broke the sound barrier in this plane, ... Yeager 
flew the Bell X-1 at a speed of 670mph (Mach 1.06) breaking the .... Chuck 
Yeager piloted the Bell X-1A to Mach 2.44 (1650 mph), setting a speed record.