Two bodies of masses m1,and m2 are hung from the ends of a rope, passing oyer a frictionless pulley as shown in the figure below. The acceleration of the string will be

• A. <img src="/_files/images/mechanical-engineering/engineering-mechanics/41-204-2.png">
• B. <img src="/_files/images/mechanical-engineering/engineering-mechanics/41-204-3.png">
• C. <img src="/_files/images/mechanical-engineering/engineering-mechanics/41-204-4.png">
• D. <img src="/_files/images/mechanical-engineering/engineering-mechanics/41-204-5.png">