3 4) Find the arc length off-It) = (13,913,415E ), 1 S t S 4. 5) Find the curvature of t) = (t2, Int, tlnt) at the point (1,00). 6) If a particle's position is given by t) 2 (t, 2 cos t , sin t), nd the velocity, acceleration, and speed of the particle when t = 0. Sketch the path of the particle and draw the velocity and acceleration vectors when t = 0