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How do lift and drag change during the take-off roll?
  • A
    Lift increases, and drag decreases.
  • B
    Lift is zero, and drag increases.
  • C
    Lift remains constant, and drag increases.
  • D
    Lift and drag increase.

As the speed builds up along the take-off along the take-off roll Lift and Drag increases proportionally to IAS.

Lift = 1⁄2 ρ V2 CL

Drag = 1⁄2 ρ V2 CD

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