Please help me with this questions and be clear if you will write it by hand regraph the question and answer by calculations. Thx in advance

2. Use the position-time graph to complete the questions. (4 marks total) a. Locate the regions where the velocity is positive. (1 mark) b. Calculate the velocity at the 2 s mark. Show your work. (1 mark) c. Calculate the average velocity between 0 s and 11 s. (1 mark) d. How far is the object from its starting point at the 8 s mark? (1 mark) d ( m ) Position vs. Time 5 4 N C t (s) 1 2 3 4 5 6 7 8 9 10 11 12 13 2 -3 -4