A racing cyclist can reach a maximum speed of 30 km/hr on a sunny day. The sum of the weight of the bicycle and himself is 65 kg. Rolling friction of wheels are Fr=7.5N . The drag coefficient and the front area are respectively Cd=1.2 , A= 0.25m^2. This athlete plans to run at 24km/hr when there is a head wind of 10km/hr and run 40km/h when there is a tailwind of 10km/hr. Is it possible?

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