While investigators are still working to determine the cause of the crash of Delta Flight 4819, a physicist has offered an explanation for why it flipped over, saying, "The underlying physics is quite simple.

When Delta Air Lines Flight 4819 crashed and flipped over on the runway at Toronto’s Pearson airport, it triggered difficult memories for one survivor of a similar accident nearly 20 years earlier. CBC’s Ellen Mauro talks to Air France Flight 358 passenger Lauren Langille about how to recover from trauma.