1. The problem statement, all variables and given/known data 2. Relevant equations Relevant equations can be derived from the formulas, by exchanging x to v, v to a, etc. 3. The attempt at a solution I've tried to graph them, but I am not able to visualize or understand them. Please help me about these questions, I need some hints. If you can suggest me some parts or questions relevant to this topic, I will be so happy because I cannot understand this concept.