That would be true if US passenger rail was actually capable of high speeds to start with. As it stands right now US passenger rail is total joke compared to t

That would be true if US passenger rail was actually capable of high speeds to start with. As it stands right now US passenger rail is total joke compared to the rest of the developed world. Slower, less reliable, more expensive. Air resistance in the US is the same as everywhere else, so that isn’t the limit factor.