In a slider crank mechanism, the length of the crank and connecting rod are 150 mm and 600 mm respectively. The crank position is 60° from inner dead centre. The crank shaft speed is 400 r.p.m. (clockwise). Velocity of the slider is ________

• A. 6.9 m/s
• B. 6.12 m/s
• C. 7.32 m/s
• D. 6.66 m/s
• E. . Velocity of the slider is ________a) 6.9 m/sb) 6.12 m/sc) 7.32 m/sd) 6.66 m/s