Three eyewitnesses at the scene of a car accident were asked how long the accident lasted. they responded with 11 seconds, 12 seconds, and 11 seconds. the traffic camera recorded the accident and it actually lasted 7 seconds. what can be said about the times stated by the eyewitnesses?

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?