SOLUTION: I was issued a speed camera ticket and believe that it is inaccurate. They issued two photos of my vehicle along with the ticket. The second photo was timestamped 0.200 seconds

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Question 577478: I was issued a speed camera ticket and believe that it is inaccurate.
They issued two photos of my vehicle along with the ticket. The second photo was timestamped 0.200 seconds after the first. The vehicle traveled 9 feet from first photo to the next. There are 5280 feet in a mile. How fast was the vehicle traveling?
Thanks.

Answer by htmentor(1343) About Me  (Show Source):
You can put this solution on YOUR website!
I was issued a speed camera ticket and believe that it is inaccurate.
They issued two photos of my vehicle along with the ticket. The second photo was timestamped 0.200 seconds after the first. The vehicle traveled 9 feet from first photo to the next. There are 5280 feet in a mile. How fast was the vehicle traveling?
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The distance traveled was 9 ft. in 0.2 sec, so the vehicle's speed was 9/0.2 = 45 ft/sec
Converting to miles per hour gives
45 ft/sec * 3600 s/hr * 1 mile/5280 ft = 30.68 mph