Answer:
Sean is standing still, and Rhea is running toward Sean while kicking the ball.
Explanation:
The conclusion that is best supported by the information is the fact that Sean is standing still, and Rhea is running toward Sean while kicking the ball. This answer is chosen because from the question it is stated that Rhea kicks the ball to Sean and the velocity of the ball is faster from Sean's point of reference. This is only possible if Rhea was already in motion, as his own speed would have been countered by the speed of the ball in itself. Thereby making the speed of the ball slower from his point of his reference