I need help with these last three questions quickly please!!

The turtle increased his velocity from 5 m/s North to 6m/s North in 2 seconds. What is his acceleration? 50 m/s 2 5 m/s 2 1m/s ? 0.5 m/s 2 Question 12 (1 point) Listen A 10 20 30 Position (m) 6 10 Time (s) What would the velocity vs. time graph look like for position B? A line with a slope of -1.5 A flat line at -15 m/s A flat line at +15 m/s A line with a slope of 1.5 Question 13 (1 point) Listen 10 20 30 Position (m) B 6 10 Time (s) At which location is the person walking back to his starting point according to the time vs. position graph above? OA OB OC None