freewheel
verb
[ friːˈwiːl ]
• ride a bicycle with the pedals at rest, especially downhill.
• "the postman came freewheeling down the track"
• act or proceed in a relaxed or casual way, without making much effort.
• "I'm not the sort of person who would freewheel his way to the end of a contract"
freewheel
noun
• a bicycle wheel which is able to revolve freely when no power is being applied to the pedals.