Question 3 (5 points) A little girl riding a train rolls a ball toward the back of the train at 1.25 m/s NE. The train is traveling at

Question 3 (5 points)
A little girl riding a train rolls a ball toward the back of the train at 1.25 m/s NE. The train is traveling at a velocity
of 13.22 m/s SW. The little girl’s brother runs from the back of the train, toward the rolling ball at a velocity of
1.45 m/s SW. Relative to the little girl’s brother, what is the velocity of the rolling ball?