Electromotive Force (emf) vs Potential Difference (pd)

What is the terminal velocity from the height-time graph of a falling object 2017PPp1q3 and 2020PPp1q5

Though the graph is a height-time graph, it is similar to a distance-time graph.

Questions: 2017PPp1q3 and 2020PPp1q5

Answer: Option D

Factors Affecting the Resistance of a Conductor (comics)