Because they're so close to the ground, it would be inadvisable to push the suit above Mach I - sonic booms were kind of awesome but the kedan might not agree. She's low enough to break windows at this point. But the computer controls mean Pepper can get really close to breaking the sound barrier without actually doing so.

She sets her target speed, stops spiraling, and glances back at Raine.

"Eat my silver and purple dust!"

The jets flare brighter, and Pepper shoots away - but not too far. She wants to find out how fast that rheaird can go, and that means keeping it in sensor range.