Previous Problem Problem List Next Problem 2: Problem 15 (1 point) The position of a particle in motion in the plane at time t is r(t) = exp(0.2t)i + exp(It)j. At time t = 0, determine the following: (a) The speed of the particle is: (b) Find the unit tangent vector to r(t): it (c) The tangential acceleration aT: (d) The normal acceleration ON