Sen believes that public discussion and interactive thinking help shape India's social world and culture. He said that India's political traditions have deeply influenced Indian politics and made differences a natural state of India. Controversy is an integral part of Indian public life. Common opinions are an indispensable part of democracy, and the tradition of public debate and interactive discourse helps increase the success rate of democracy in India.

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?