A body is in straight line motion with an acceleration given by \( a=32-4 v \). The initial cond...

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A body is in straight line motion with an acceleration given by \( a=32-4 v \). The initial conditions are at \( t=0, v=4 \). Find the velocity when \( t=\ln 2 \) :
(A) \( 15 / 2 \)
(B) \( 17 / 2 \)
(C) \( 23 / 4 \)
(D) \( 31 / 4 \)
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