Question

what acceralation????¿???????​ғʀᴇᴇ ᴘᴏɪɴᴛs​

Answer 1

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rate at which velocity changes with time, in terms of both speed and direction.

Answer 2

In mechanics, acceleration is the rate of change of the velocity of an object with respect to time. Accelerations are vector quantities. The orientation of an object's acceleration is given by the orientation of the net force acting on that object. Wikipedia

SI Base Unit: Metre per second