Anoop and Sohail while studying about friction decided to perform an experiment. They placed equal masses of an ice block and sand paper block on an inclined plastic tray as shown below. What happens when both the blocks start moving?

• A.  Ice block reaches the bottom of the tray first.
• B.  Sand paper block reaches the bottom of the tray first.
• C.  Both the blocks reach the bottom of the tray at the same time.
• D.  Both the blocks offer the same amount of friction.