Roll into the room, fall off the step and roll into the corner. Roll to the right immediately as the floor hopper is going to take its second jump to get it off camera. Once it is off camera, stop and wait for the next hopper to jump towards Samus, then roll under it as it jumps again.

Entrance condition:

{
  "comeInWithMockball": {
    "speedBooster": "any",
    "adjacentMinTiles": 0,
    "remoteAndLandingMinTiles": [
      [
        0,
        0
      ]
    ]
  }
}

Requires:

"canPrepareForNextRoom"
"canTrickyDodgeEnemies"
"canCameraManip"
"h_canBombThings"

Clears obstacles: A