Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Ruby negi
there is no mathematics behind velocity or acceleration, it just terms that is defined.. velocity is for rate of Change of position and acceleration is rate of Change of velocity..