Charge Leakage in Suspended Spheres with Varying Approach Velocity

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DriggyBoy
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Two small eqlly chrged spheres ech of mass m, are suspnded frm same point by silk threads of length l. The distnce between sphres x<<l. Fnd dq/dt wth whch the charge leaks off each sphere.. If their approach velocity varies as v=a/root ovr x where a is a constnt.
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My ques is; how can the charge leak if both of them have a charge of equal magn ?
Explain this & also help me solve the problem :)
thnx in advance :)
 
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The two are suspended by threads from one common point?

It's conceivable that their charge leaks away at identical rates, so the remaining charges maintain equality.
 
thnx :)
now can u help me solve the prolem ! :)
nd yes they are suspended from a common point by a silk thread of length 'l'