Sorry for brief formulation but have no time. Cyclist travells down hill, no pedalling. Applies breaks at X and stops at Y. Which energy changes have taken place between X and Y? A. Kinetic --> internal (Heat) ---> Grav potential B. Kinetic --> Grav Potential --> Internal heat C. Grav Potenial --> Internal (heat) ---> Kinetic. D. Grav Potential --> Kinetic ---> Inetnal Heat Thank you!!