Use Speed Booster to break the Speed blocks, and run from the right side of the room, using blue speed to run on top of the sand.

Requires:

"Gravity"
{
  "getBlueSpeed": {
    "usedTiles": 22,
    "openEnd": 1
  }
}
"h_speedJump"

Exit condition:

{
  "leaveSpaceJumping": {
    "remoteRunway": {
      "length": 45,
      "openEnd": 1
    }
  }
}