If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (cos 5t)i + (4 sin t)j
A. a = (-5 cos 5t)i + (4 sin t)j
B. a = (-25 cos 5t)i + (-4 sin t)j
C. a = (-25 cos 5t)i + (-16 sin t)j
D. a = (25 cos 5t)i + (-4 sin t)j
Answer: B
Mathematics
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