A motorbike moves along a straight road through a distance of 1.2 km. Through the first 1/4 of
that distance, it accelerates from rest at a rate of 2.0 m/s2

. Through the rest of that distance, it decelerates to rest

at rate of 0.6 m/s2
. a) What is its travel time through the distance?
b) What is its maximum speed?
c) Graph position and velocity versus time for the distance.