Consider the premise. Does the hypothesis naturally and logically follow? Premise: At 9:03:11, United Airlines Flight 175 struck the South Tower of the World Trade Center. Hypothesis: United Airlines Flight 175 increased its speed as it struck the South Tower.
At 9:03:11, United Airlines Flight 175 struck the South Tower of the World Trade Center.###United Airlines Flight 175 increased its speed as it struck the South Tower.