A Newtonian fluid is filled in the clearance between a shaft and a concentric sleeve. The sleeve attains a speed of 80 cm/s when a force of 40 N is applied to the sleeve parallel to the shaft. Determine the speed if a force of 300 N is applied.
1
600 cm/s
2
250 cm/s
3
300 cm/s
4
200 cm/s