acceleration of free fall

{
  "id": "NISTq108",
  "unitsml_id": "q:acceleration_of_free_fall",
  "name": "acceleration of free fall",
  "names": [
    {
      "value": "acceleration of free fall",
      "lang": "en"
    }
  ],
  "short": "acceleration_of_free_fall",
  "type": "derived",
  "dimension": {
    "id": "NISTd28",
    "name": "acceleration",
    "expression": "L·T-2",
    "components": [
      {
        "key": "length",
        "symbol": "L",
        "power": 1
      },
      {
        "key": "time",
        "symbol": "T",
        "power": -2
      }
    ],
    "dimensionless": false
  },
  "units": [
    {
      "id": "NISTu1.u3e-2/1",
      "name": "meter per second squared",
      "symbol": "m·s⁻²"
    }
  ],
  "unit_count": 1,
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTq108"
    },
    {
      "type": "unitsml",
      "id": "q:acceleration_of_free_fall"
    }
  ],
  "references": [
    {
      "type": "informative",
      "authority": "qudt",
      "uri": "http://qudt.org/vocab/quantitykind/AccelerationOfGravity"
    }
  ]
}