i>feels</i> faster. If you build a catapult that can hurl a bathtub with someone inside from London to New York, it will <i>feel very fast</i> both on take-off and landing, and probably during the ride, too, while a comfortable seat in business class on a transatlantic airliner would probably take less time but you would not <i>feel</i> the speed nearly as much. <a href='https://groups.google.com/group/comp.lang.lisp/browse_thread/thread/567df5923ced5a94/52564cc186195b05#52564cc186195b05' target="_blank">~<