You are a travel enthusiast. You strongly feel that travelling is essential to a person’s development as it increases knowledge and widens intellect. Write an article for your school magazine stressing on the importance of travel. You may use the cues given along with your own ideas to compose the article. You are Dipanshi/Dipesh of Class XII-C.

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?