When jumping, a flea rapidly extends its legs, reaching a takeoff speed of 1.0 m/s over a distance of 0.50 mm . You may want to review (Page) .Part A What is the flea's acceleration as it extends its legs? Express your answer to two significant figures and include the appropriate units.Part B How long does it take the flea to leave the ground after it begins pushing off? Express your answer to two significant figures and include the appropriate units