Shifrin Math 3500 Day 28: Kepler's Laws & Arclength

Round-16 hunt: picked; source: named-course long-video search (r16 wave 4); channel screens (sellers/exam/re-upload/devotional/vendor/events), provenance check, vendor/seller/devotional recheck and quality tier B passed; strict per-title check + final strict pass; oEmbed verified.

A 50-minute video from Math 3500/10: “Shifrin Math 3500 Day 28: Kepler's Laws & Arclength”.

Video by Math 3500/10, played through YouTube's embedded player.