(1 point] The iunction 5(3) describes the position of a particle moving along a coordinate line, where s is in feet and t is in seconds. 5m: r21n[t+ 6), :20 It appropriate, enter answers using In . Use Inf to represent 00. (a) Find the velocity and acceleration functions. v() : cu) : to] Find the position, velocity1 speed, and acceleration at t = 1. Position (ft): Velocity {msec}: Speed {fused}: Acceleration {lsecZ}: (c) At what times is the particle stopped? Enter as s comma-separated list. x: [d] When is the particle speeding up? Slowing down? Enter using interval notation. Speeding up: Slowing clown