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## Homework Statement

## Homework Equations

d = 2.5

c = pi*d = 7.854

velocity/s ?= c * 2 = 15.7079

## The Attempt at a Solution

Since PR is 1/4 of the circle and the particle moves around the circle 2 times per second, I thought the average velocity would be 1/8th of the velocity that it's traveling. I'm really confused on this one.

EDIT: I only need to solve for (a), that's why I only have data pertaining to that. Not worried about B and C, but any intuition on those is welcome.

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