Suppose you increase your walking speed from 4m/s to 12m/s in a period of 1 s. what is your acceleration?

a and b sometimes have a positive value

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.