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AP® Calculus AB-BC

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Moderate

Related Rates and Parametric Equations, Walking Through City

APCALC-M1LMST

Sean and Allison are walking through a city decide to go in different directions at an intersection. Sean heads south at 3 mph and Allison heads west at 3.2 mph.

After 15 minutes at what rate is the distance between Sean and Allison changing?​

A

$3.5 \text{ mph}$

B

$1.24 \text{ mph}$

C

$1.114 \text{ mph}$

D

$4.386 \text{ mph}$