6. The function s(t) = 2t³ -12t, 0stS7, describes the position of a particle moving along a coordinate line, where s is in feet and t is in seconds. The velocity function is v(t) = 6¢² – 24t , and the acceleration function is a(t) = 12t – 24. A) At what times is the particle stopped? B) When is the particle speeding up? Slowing down? C) Find the total distance traveled by the particle from time t=0 to time t-7.
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