If you have two controllers this achievement can be done via Versus Strikers.
At character selection open options and set Ball Type to Regular.
Select any characters, using charged non-angled swings you can quickly reach one million ball speed.
I would begin the charged swing on the second character when there were roughly two sections left on the Release bar.
Achievement should pop shortly after reaching one million ball speed.
If you didn't get it during the story mode or any other way, then this should also unlock Chrono Warp.
You can also get Clutch if you bunt the ball once you are at least at 1000 speed.
I would do it at the end after reaching one million and then jump and strike to hit the goal to get Heavy Impact Striker.