Flying at approximately 35,000 feet (10,670 meters) over the Mojave Desert, the pilot accelerated the XB-1 to Mach 1.1, or about 845 mph (1,360 kph), shattering the speed of sound. Boom Supersonic’s Overture is designed to carry 64-80 passengers across the Atlantic in approximately 3.5 hours. The company has already…..