[Mike O]

To limit confusion - For each of the above two questions and the one in this post - please consider labeling your reply post with the following subject title as such:
1st post - label it 1st post or "at address open and closed"
2nd post - label it 2nd post or "at the top open and closed"
3rd post i.e. this post below - label it 3rd post or "acceleration"

using an example or simple english explain the relationships i.e. integrate the following concepts.
speed, velocity, acceleration, force, momentum
(feel free to correspondingly support the english version with the mathematical definition and relationship of each concept)