Performance and weight and balanceQuestion 858 of 934

Takeoff distance varies with what power of the takeoff velocity, if the acceleration is unchanged?

  1. The square
  2. The cube
  3. The square root
  4. The first power
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Correct answer: The square

Ten percent excess airspeed increases the takeoff distance 21 percent.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 11: Aircraft Performance — Takeoff Performance, page 272

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Questions last reviewed: 18 October 2026