Binder #3. Introducing acceleration; Falling bodies, physically & graphically; Moving between tables, graphs, and equations; Where are compenents in a graph?, Introducing the quadratic equation, 1999 - 2000, Box: 14, Folder: 4. David Lehman's Alternative Community School records, 6901. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/970593 Accessed September 26, 2026.