Taking the stairs is great exercise for the body and is necessary to find this cache; I also wanted to exercise the brain a little for this one. The formula for the distance an object will fall given a specific amount of time should be easy enough to find (make sure you get the one for feet and not meters). If an object were dropped from the location of this cache, it would take only 1.85 seconds to hit the ground. Assume that each floor is 10 feet and you should know where to search for this cache. This one is magnetic so gravity will not pull it down unless you drop it while retrieving it. So pull out your calculator and brush up on your math skills before heading out for this one.
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