What is the benefit of floating a wheelset in the bogie A: it allows the wheelsets radial movement B: it fixes thewheelsetrigidly C: it allows the train to travelfaste D: it reduces vibrations from thewheel/rail interface

What is the benefit of floating a wheelset in the bogie? A: It allows the wheelsets radial movement B: It fixes the wheelset rigidly. C: It allows the train to travel faster. D: It reduces vibrations from the wheel/rail interface.