1. The problem statement, all variables and given/known data Pretty simple question, just checking for confirmation. It was a small question at the beginning of a summative test, a rock was dropped off of a bridge and we were asked to graph the kinetic energy over time. 2. Relevant equations 1/2mv^2. 3. The attempt at a solution I started from 0 and went upwards (exponentially). Two friends were telling me I was wrong. :( Who was right? They say it's a linear line, but I disagreed because of the v^2. Thanks for any insight.