A dirtbike stunt racer completes two laps of a track. He does his first lap at , and his average speed is . What is the speed of his second lap? If this is not possible, enter .
A dirtbike stunt racer completes two laps of a track. He does his first lap at , and his average speed is . What is the speed of his second lap? If this is not possible, enter .
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