Question

Can someone please explain about acceleration vs time graph

Answer 1

Could you show a picture, please?

Answer 2

"An acceleration vs. time graph plots acceleration values on the y-axis, and time values on the x-axis."

This should probably help:
https://socratic.org/questions/explain-acceleration-vs-time-graph#:~:text=An%20acceleration%20vs.,values%20on%20the%20x%2Daxis.&text=time%20graph%2C%20the%20slope%20at,your%20velocity%20will%20be%20increasing.