A body is spiraling upward due to rapidly rising air on a path similar to that of a helix and having sition vector r(t) =(6 cost)i+ (6sin t)j + t² k. for 0sts 2n.Find 1- The velocity and acceleration vectors, 2- The glider speed at any time t, 3- The times, if any, when there is orthogonality between acceleration and velocity.

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