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2. A particle moves along the x-axis so that its velocity at time t is given by v(1) = -(1 + 1) sin2 At time

2. A particle moves along the x-axis so that its velocity at time t is given by v(1) = -(1 + 1) sin2 At time t = 0, the particle is at position x = 1. (a) Find the acceleration of the particle at time t = 2. Is the speed of the particle increasing at t = 2 ? Why or why not? (b) Find all times t in the open interval 0

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