Crank AB is rotating with an angular velocity of 2x.y rad/s counterclockwise and an angular acceleration of 800 rad/s clockwise at the instant shown. i) Calculate the angular velocity of bar BD. Calculate the velocity of slider D. Calculate the angular acceleration of bar BD. Calculate the acceleration of slider D. ii) iii) iv) 300 mm 600 mm O A B 800 mm. D (7 marks) (7 marks) (8 marks) (8 marks)