Question: Can Amtrak's Acela Express break the sound barrier?, Answer:No, Description of Amtrak: Intercity rail operator in the United States, Fact1: Amtrak's Acela Express is the fastest train in the Western Hemisphere and can reach 150 mph., Fact2: A US Navy plane would need to travel 770 mph to break the sound barrier.
Step1: What is the maximum speed of Amtrak's Acela Express?, Step2: What is the minimum speed needed to break the sound barrier?, Step3: Is #1 greater than or equal to #2?, Wikipedia page for step 1: Acela Express, Wikipedia page for step 2: Sound barrier, Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False