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I did an experiment

I did an experiment where I rrcoeded the time it takes for a ball to the descend the ramp at various angles. I did 5 trials for each angle. Also on every single trial the ball traveled 1.71 m (it didn't change for any of the angles) I need to find the average speed for each of the angles.3.82 degrees: 3.25s, 2.72s, 3.07s, 3.14s, 2.79s8.37 degrees: 1.67s, 2.23s, 1.88s, 2.16s, 1.74s14.2 degrees: 1.32s, 1.39s, 1.32s, 1.6s, 1.53s19.5 degrees: 1.25s, 1.18s, 1.25s, 1.39s, 1.39s23.8 degrees: 1.11s, 1.11s, 0.97s, 0.97s, 1.25sPlease tell me how to calculate average speed for each of these angles.Thanks!

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