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When will you say a body is in

(i) uniform acceleration?

(ii) non-uniform acceleration?
 
Uniform Acceleration:
 
Definition -
Example -
 
Non-Uniform Acceleration:
 
Definition -
Example -
Answer variants:
Bus moving from the bus stop
Increase in velocity at equal intervals of time
Free-falling of an object
Increase in velocity but not at equal intervals of time