Find the instantaneous velocity of the particle described in Figure P2.1 at the following times:
(a) tf = s,
(b) t = 3.0 s,
(c) t = 4.5 s, and
(d) t = 7.5 s. xf = m
xi = m ti = s
x1 = m t1 = s
t2 = s x2 = m
t3 = s x3 = m
t4 = s t5 = s