[填空题]
A cyclist is coasting at a steady speed of 12m/6-y mx +/ gchw.qm5cy vzph7a:ba)9wo s rujg+r7p c /3gi- ):i3 (z hfu*fhngcpbut enters a muddy stretch where the effective coefficient of friction is 0.60. Will the cyclist emerge from the muddy stretch without having to pedal if the mud lasts for 11 m? If so, whatip+u: 3hungfr7c f-3(c ig p/jzhr)*g will be the speed upon emerging?