Me i’ve been stuck on this forever now ☹️

Hey !  If you've already been stuck on it forever, then
a few more days won't make that much difference.

No, I'm just kidding.  I wouldn't do that to you.

I'm sure this is all stuff that you've heard before.
Here it is again, all in one place:


-- LOCATION . . . . . a point.
If you move from one point to another point, then you travel a
 
-- DISTANCE . . . . . the path you followed between two points.
If you're moving right now, then how fast you're moving is your

-- SPEED . . . . . the RATE of how fast your distance is changing.
If we also know what DIRECTION you're moving, then we know your

-- VELOCITY . . . . . your speed AND direction.
If your speed is changing OR your direction is changing, then you have 

-- ACCELERATION . . . . . the RATE of how fast your speed or your direction is changing.


Go through it again, in the other direction:

Acceleration . . . the rate of how fast your velocity is changing.

Velocity . . . your speed AND your direction.

Speed . . . the rate of how fast your distance is changing.

Distance . . . the length of the path you walk from one place to another.


For the question on the screen:

Instantaneous acceleration describes how fast a velocity is changing
at a specific instant.

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