A cyclist going downhill is accelerating at 1.2 m/s2. If the final velocity of the cyclist is 16 m/s after 10 seconds, what is the cyclist’s initial velocity?

Use the velocity equation v_f = v_i + at. The cyclist’s change in velocity is 1.2 m/s² × 10 s = 12 m/s, so the initial velocity is 16 m/s − 12 m/s = 4 m/s. The correct choice is A, 4 m/s.

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