derivatives

**Line**:
\- If you change the specific distance vs. -
\- time function, you'll have some different velocity vs. -
\- time function. -

**Time**:
164.84 - 171.80

**Describe the issue**:
Currently this sentence is divided in 3 parts. I think it should be merged in one single part.
Same in 175.68 - 179.82, 331.58 - 337.68

Look at the transcript files for the video 'derivatives' around the timestamps 164.84-171.80, 175.68-179.82, and 331.58-337.68. Merge the split lines into single sentences as described. Verify the changes by checking the formatting and continuity of the captions.

Written by the indexing model from the issue text.