Position at the end of the runway (or up to 4 pixels away) at the top-right of the room, gain run speed, perform a last-frame jump and ceiling mockball, then equip or unequip Spring Ball in order to reset Samus' vertical speed and just barely make it onto the ledge with the item.

Requires:

{
  "notable": "Ceiling Mockball Spring Fling"
}
"SpeedBooster"
"canInsaneJump"
{
  "heatFrames": 500
}
"canMomentumConservingMorph"
"canSpringFling"
{
  "or": [
    "h_heatProof",
    "canBeVeryPatient"
  ]
}