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I've been trying to figure out this problem but for some reason I can't get the right answer. I'm not sure if I'm reading the graph values wrong or if I'm using the wrong formula.

1. A bowler rolls a bowling ball down a lane. A plot of the position versus time graph is shown. What is the velocity (in m/s) of the bowling ball at 3.0 seconds?

2. I thought it would just be the slope, so s = rise/run, so s = 7m/3s or s = 6m/3s

3. I keep getting 2.3 m/s

I know this is an easy question, I just can't get it =( I've tried playing around with the x and y values, I've tried using the book examples, I tried notes examples, I've tried asking my friends who've taken physics before -This problem is driving me insane.

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# Calculating Velocity

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