Institutions have accepted or given pre-approval for credit transfer.
* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 26 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.
There is just one video to watch, but there is also this INTERACTIVE FIGURE to remind yourself about orbital speeds.
Source: Hewitt, P. G. (2015). Conceptual Physics (12th ed.). Boston, MA: Pearson.