Velocity Graph to Position Graph
I'm struggling to translate the second half of a velocity graph into a position graph (I figured out the first, positive slope part). The second half of v graph has a slope of 5.33. (It transverses from (7.5, 18) to (13.5, 18), crossing the xaxis halfway.) I'm not sure how to draw a p graph from this. The peak of my p graph is at 7.5t, 54m; from here, I expect (b/c of the decreasing v) for position to decrease. But I don't know whether to consider the whole area under the curve as 91. Or consider the curve in two parts (over the xaxis, under the xaxis) = A 40.5 and 40.5. Or do these two components cancel each other out to equal 0?
