# Apply Calculus

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The Giant Ferris Wheel has a radius of 30meters. Assuming that a time t= t_0 , the wheel rotates counterclockwise with a speed of 40m/min, and is slowing at a rate of 15m/min^2 . Find acceleration vector for a person seated in a car at the lowest point of the wheel.

How to find acceleration vector?
And i don't get what does it meant by acceleration vector is.
"confuse"
Please give a hand. Thank You.

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