Let us look at the timeline of the major events in the Indian National Movement:
- Champaran Satyagraha (1917): Gandhi's first civil disobedience movement.
- Jallianwala Bagh Massacre (1919): A brutal incident in Amritsar led by General Dyer.
- Peasant Movement in Bardoli (1928): Led by Sardar Vallabhbhai Patel in Gujarat.
- Second Round Table Conference (1931): Attended by Mahatma Gandhi in London.
Thus, the correct chronological order is: Champaran Satyagraha → Jallianwala Bagh Massacre → Bardoli Movement → Second Round Table Conference.

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?