A stone tied to a string is made to revolve in a horizontal circle of radius 4m with an angular speed of 2 rad per sec. With what tangential velocity will the stone move off the circle if the string is cut?

• A 16.0 ms^-1
• B 8.0 ms^-1
• C 6.0 ms^-1
• D 2.0 ms^-1
• E 0.5 ms^-1