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      Question

      Supersonic speed is speed greater than the speed of

      sound (in air at sea level) that is to say around______ miles/hour.Β 
      A 760 Correct Answer Incorrect Answer
      B 860 Correct Answer Incorrect Answer
      C 960 Correct Answer Incorrect Answer
      D 1060 Correct Answer Incorrect Answer

      Solution

      Supersonic speed is approximately 343.2 m/s, 1,125 ft/s, 768 mph, 667 knots, or 1,235 km/h.Β 

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