A pulley 350 mm in diameter drives another pulley 1400 mm in diameter by means of a belt 25 mm thick. The driver makes 200 revolutions per minute. Find the speed of the pulley:
(1) Neglecting the thickness of the belt,
(2) Taking the thickness into account, and
(3) Considering the thickness of the belt and a slip of 2% between the driving pulley and the belt and 3% between the belt and the driven pulley.