[单选题]
During a hockey game, a puck is giv-y y7xq a u sip*i9znhwwo084,en an initial spev(vsf3fib/ 6g/w y 6r,;rnexeed of 10 m/s. It slides 50 m on the ice before it stops. What is the coefficient of kin6 6irg ewfsf;rx/yvn(,3v /b eetic friction between the puck and the ice?