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MotionLab
The speed limit gravity hits once drag catches up — why a feather and a bowling ball don't fall at the same real-world rate.
As a falling object speeds up, air resistance (drag) grows with the square of velocity — eventually drag force exactly balances gravity, and the object stops accelerating, settling into a constant 'terminal' velocity.
A skydiver's terminal velocity is roughly 3x faster belly-down than in a vertical dive position — since drag coefficient and cross-sectional area both change dramatically with body orientation, this is a real, controllable factor in skydiving.
Terminal velocity (m/s)
42.784
v = √(2mg / (ρACd))
What you entered
v = √(2mg ÷ (ρACd))
√(2×80×9.81 ÷ (1.225×0.7×1))= 42.7836 m/sResult
Terminal velocity (m/s): 42.784
An object with these properties reaches a terminal velocity of about 42.78 m/s.