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The cylindrical tube of a spray pump has...

The cylindrical tube of a spray pump has radius `R`, one end of which has `n` fine holes, each of radius `r`. If the speed of the liquid in the tube is `V`, the speed of the ejection of the liquid through the holes is:

A

`(VR^(2))/(nr^(2))`

B

`(VR^(2))/(n^(3)r^(2))`

C

`(V^(2)R)/(nr)`

D

`(VR^(2))/(n^(2)r^(2))`

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