Posted by **Anon** on Saturday, January 28, 2012 at 11:49pm.

A speeder traveling at a constant speed of

102 km/h races past a billboard. A patrol car

pursues from rest with constant acceleration

of (9 km/h)/s until it reaches its maximum

speed of 146 km/h, which it maintains until it

catches up with the speeder.

How long does it take the patrol car to

catch the speeder if it starts moving just as

the speeder passes?

Answer in units of s

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