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The rotation of rod OA around O is stated by the relation q = p(4t^2-8t) where q and t are expressed in radians and seconds, correspondingly Collar B slides all along the rod so that its distance from O is r = 10 + 6sinpt, where r and t are represented in inches and seconds, correspondingly. If t = 1s, find out (i) the velocity of the collar, (ii) the net acceleration of the collar relative to the rod.

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