GENERAL KNOWLEDGE

Detailed explanation-1: -The area under the acceleration-time graph is velocity. That under the velocity-time graph is displacement (or may be distance).

Detailed explanation-2: -What does the area under a velocity graph represent? The area under a velocity graph represents the displacement of the object.

Detailed explanation-3: -What does the area under the acceleration graph represent? The area under any acceleration graph for a certain time interval gives the change in velocity for that time interval.

Detailed explanation-4: -The slope of an acceleration time graph equals the ratio of change in acceleration for the time interval considered.