* Acceleration is the rate of change of *speed* over time.
* Speed is the rate of change of *distance* over time.
Therefore, you can't really have "accelerative speed". It's like saying "fast speed" - it's just a more verbose way of saying "speed".
What you might be thinking of:
* Acceleration: This is the rate at which speed changes. It is measured in units like meters per second squared (m/s²). For example, a car accelerating from 0 to 60 mph in 5 seconds has an acceleration of 2.68 m/s².
* Constant Speed: This means the speed is not changing, and therefore there is no acceleration.
* Variable Speed: This means the speed is changing, but we don't know if it's increasing or decreasing. This could mean the object is accelerating or decelerating.
If you can provide more context or information about what you meant by "accelerative speed," I can give you a more specific answer.
