During a Baseball Game, a Batter Hits a Ball Directly

During a baseball game, a batter hits a ball directly back to the pitcher who catches it. An observer flying over the stadium at a speed of 0.75c, measures 0.658 s as the time between the two events (hitting and catching the ball) . What is the proper time interval between the two events?

A) 0.288 s
B) 0.435 s
C) 0.658 s
D) 0.715 s
E) 0.994 s