Section 2.7 shows how we can derive the equations of motion using elementary calculus. If you haven't studied this stuff yet from calculus, that's fine, just skip this section.
This is part of a series of videos on Serway & Jewett's "Physics for Scientists and Engineers" 9th Edition: https://www.youtube.com/playlist?list=PLMcpDl1Pr-vhv7GBXm4K-0bJZ42ddffFB
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