Examples of use of Mach
1. Currently all commercial airliners cruise at speeds of around Mach 0.85 (85 percent of the speed of sound). Kroo believes in the future planes may slow down, say from Mach 0.85 to Mach 0.75.
2. Return of the mach: A man gazes at the mach speedometer which often saw Concorde cruise at 1,350 mph The auction is expected to reap about 250,000.
3. When you‘re mach–speeding downhill, Bliss keeps you guessing.
4. He groused that Crossfield "was a proficient pilot, but also among the most arrogant I‘ve met. ... None of us blue suiters was thrilled to see a NACA guy bust Mach 2." The competition did not end at Mach 2.
5. Alternate arrangements were made to bring the train to Mach from the site of firing.