A particle has v(t) = -3 and a(t) = +2 at some instant t. The particle is

Slowing down Velocity and acceleration have opposite signs → speed (|v|) is decreasing. Slowing down.

Straight-Line Motion: Position, Velocity, Acceleration

AP Calculus AB· difficulty 3/5

v(t) = -3

Explanation

Velocity and acceleration have opposite signs \to speed (|v|) is decreasing. Slowing down.

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