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An $1100\text{ kg}$ car navigates through a ${90}^{\circ}$ circular curve on a flat road. The total arc distance is $120\text{ m}$, ​and the car takes $8.0\text{ s}$ to make it through the complete curve while moving at a constant speed.

Which of the following values most closely approximates the magnitude of the centripetal force on the car?

A

$0\text{ N}$

B

$2.1\text{ kN}$

C

$3.2\text{ kN}$

D

$4.8\text{ kN}$

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