Boost metal ore smelting, vanilla sulfar?

I've got it going fast and using wood at the right rate.  I've got it not burning food.  How do I set it up so that metal ore smelts at the boosted speed, but sulfur stays vanilla?

{
  "Use Permission": true,
  "Speed Multipliers": {
    "global": 5,
    "furnace.shortname": 1.0
  },
  "Fuel Usage Speed Multipliers": {
    "global": 1,
    "furnace.shortname": 1.0
  },
  "Fuel Usage Multipliers": {
    "global": 1,
    "furnace.shortname": 1
  },
  "Output Multipliers": {
    "global": {
      "global": 1.0
    },
    "furnace.shortname": {
      "item.shortname": 1.0
    }
  },
  "Whitelist": {
    "global": [
      "item.shortname"
    ],
    "furnace.shortname": [
      "item.shortname"
    ]
  },
  "Blacklist": {
    "global": [
      "chicken.cooked",
      "deermeat.cooked",
      "bearmeat.cooked",
      "pork.cooked",
      "wolfmeat.cooked",
      "humanmeat.cooked"
    ],
    "furnace.shortname": [
      "item.shortname"
    ]
  },
  "Smelting Frequencies (Smelt items every N smelting ticks)": {
    "global": 1,
    "furnace.shortname": 1
  },
  "Debug": true
}
You can set speed only per entity right now
Thank you!