Related Rates

Haley and Penelope are trying to locate each other at an amusement park. Haley is walking north of the carousel at $5\text{ ft/sec}$. Five minutes later Penelope starts walking south at $8\text{ ft/sec}$ from the Ferris wheel which is $1781\text{ feet}$ east of the carousel. What is the rate they are moving apart from each other $15\text{ minutes}$ after Haley starts walking?

Round your answer to the nearest hundredth.