Enter with enough run speed to jump (after the transition) across the full room using one SpringBall Jump. When exiting the first Sandfall, Samus will be rising still. That is the time to Springball jump.

Entrance condition:

{
  "comeInRunning": {
    "minTiles": 10,
    "speedBooster": true
  }
}

Requires:

{
  "notable": "Cross-Room SpringBall Jump"
}
"canPlayInSand"
"canCrossRoomJumpIntoWater"
"canLateralMidAirMorph"
"canTrickySpringBallJump"
"canTrickyJump"