1. The problem statement, all variables and given/known data http://imgur.com/LravIr3 2. Relevant equations 3. The attempt at a solution We know A is wrong, because a object going in a circle has acceleration (i'm not sure why that is, maybe someone can explain) B is wrong because if a car in reverse is slowing down, it technically has positive acceleration, right? D is wrong because refer to my explanation for B. C and E, I have no idea what that formula is but V x T is distance but I have no idea what the formulas are implying. Anyone can shed some light on what C and E means?