Frames of Reference (1960). A classic of 20th century physics education from the Physical Sciences Study Committee (PSSC). Narrated by by University of Toronto professors Donald Ivey and Patterson Hume.
Space Station Reboost, YouTube. Astronaut Jeff Williams demonstrates the apparent acceleration experienced inside the cabin during a planned International Space Station reboost on 24 January 2010. The ISS is reboosted periodically to maintain its orbit, and to prepare for visiting spacecraft, such as the space shuttle and Progress vehicles.
Dropping Drops team at Drop Your Thesis! European Space Agency (2015). Friday was the last day of the Drop Your Thesis! 2015 campaign at the ZARM Drop Tower in Bremen. After two weeks of intensive work and a few night shifts, the Dropping Drops team from the Friedrich-Alexander-Universität Erlangen-Nürnberg completed their campaign. They created some of the biggest spherical water bubbles on Earth and studied the imbibition process on a porous medium.