The radius of cross-section of the cylindrical tube of a spray pump is 2 cm. One end of the pump has 50 fine holes each of radius 0.4 mm. If the speed of flow of the liquid inside the tube is 0.04 ms-1, the speed of ejection of the liquid from the holes is
1
6 ms-1
2
2 ms-1
3
4 ms-1
4
3 ms-1