A hailstone traveling with a velocity of 43 meters/second comes to a virtual stop 0. 28 seconds after hitting water. What is the magnitude of its acceleration in the water? A. 12 meters/second2 B. 1. 5 × 102 meters/second2 C. 78. 6 meters/second2 D. 6. 5 × 10-3 meters/second2.