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How fast do you need to go to catch up to the speeding car? What is your average speed in pursuit?

The posted speed limit is 45 miles per hour on this stretch of highway. You are monitoring traffic with a radar gun. The first exist is 3.6 miles up the road. Your radar picks up a speeding car averaging 68 mph. When you try to start your motorcycle it won’t start. Finally, your motorcycle starts and you begin your pursuit 30 seconds after the speeding car has passed you on the roadside. How fast do you need to go to catch up to the speeding car? What is your average speed in pursuit?

Speeding car has only 3.03 more miles
Will take it 2.676 minutes to reach exit

3.6 miles in 2.676 min

= 80.7 mi/hr

This entry was posted on Saturday, May 29th, 2010 at 3:05 pm and is filed under speeding. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

One Response to “How fast do you need to go to catch up to the speeding car? What is your average speed in pursuit?”

  1. The Machine Says:
    May 29th, 2010 at 8:27 pm

    Speeding car has only 3.03 more miles
    Will take it 2.676 minutes to reach exit

    3.6 miles in 2.676 min

    = 80.7 mi/hr
    References :

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