A spotlight on the ground is shining on a wall 16 meters away. If a woman, 2 meters tall, walks from the spotlight toward the building at a speed of 0.6 m/s, then how fast is the length of her shadow on the building decreasing when she is 2 meters from the building

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?