Which of the following pairs is correctly matched regarding the Constituent Assembly?
| Column I (Committees of Constituent Assembly) | Column II (Presidents) |
|---|---|
| (A) Rules of Procedure Committee | Jawaharlal Nehru |
| (B) Union Power Committee | B.N. Rao |
| (C) Union Constitution Committee | Bal Krishna Sharma |
| (D) Provincial Constitution Committee | Vallabhbhai Patel |

A ladder of fixed length \( h \) is to be placed along the wall such that it is free to move along the height of the wall.
Based upon the above information, answer the following questions:
(iii) (b) If the foot of the ladder, whose length is 5 m, is being pulled towards the wall such that the rate of decrease of distance \( y \) is \( 2 \, \text{m/s} \), then at what rate is the height on the wall \( x \) increasing when the foot of the ladder is 3 m away from the wall?