A flea jumps by exerting a force of 1 x 10-5 N straight down on the ground. A breeze blowing on the flea parallel to the ground exerts a force of 0.407 x 10-6 N on the flea. Find the magnitude of the acceleration of the flea if its mass is 6.5 x 10-7 kg. Do not neglect the force of gravity and give your answer in microns per square seconds.
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