Two freely hanging weights, each having a mass of 60 gm, are connected by a light thread which passes over a fixed pulley. The mass of the pulley and frictional losses are negligible. If a 10 gm weight is now added to one of the weights, its downward acceleration, in\[\text{cm}/\text{se}{{\text{c}}^{\text{2}}}\], will be approximately

• A.  32                         
• B.         80  
• C.  106                       
• D.         980