A horse canters away from its trainer in a straight line, moving 116 m away in 14.0 s. It then turns

A horse canters away from its trainer in a
straight line, moving 116 m away in 14.0 s. It then

turns abruptly and gallops halfway back in 4.8 s. Calculate (a) its average
speed and (b) its

average velocity for the entire trip, using “away from the trainer” as the
positive direction.