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## Homework Statement

A Ferris wheel with a radius of 9.7m rotates at a constant rate, completing one revolution every 39s.

Suppose the Ferris wheel begins to decelerate at the rate of 0.19rad/s^2 when the passenger is at the top of the wheel.

Find the magnitude of the passenger's acceleration at that time.

## Homework Equations

a

_{cp}=v

^{2}/r=ω

^{2}r

## The Attempt at a Solution

I don't understand the time they want me to use or where to start.