How Long Does it Take to Stomp Out a 999-Hit Combo in Marvel vs. Capcom 3?

Roughly four minutes and 20 seconds is the answer, if it's Chun-Li doing most of the dirty work vs. Dante in Marvel vs. Capcom 3. Whoever's playing as Chun-Li wings off another 24 hits to grow on after the combo meter hits 999, too.