[
  {
    "symbol": "L",
    "kmh": 120,
    "mph": 75
  },
  {
    "symbol": "M",
    "kmh": 130,
    "mph": 81
  },
  {
    "symbol": "N",
    "kmh": 140,
    "mph": 87
  },
  {
    "symbol": "P",
    "kmh": 150,
    "mph": 93
  },
  {
    "symbol": "Q",
    "kmh": 160,
    "mph": 99
  },
  {
    "symbol": "R",
    "kmh": 170,
    "mph": 106
  },
  {
    "symbol": "S",
    "kmh": 180,
    "mph": 112
  },
  {
    "symbol": "T",
    "kmh": 190,
    "mph": 118
  },
  {
    "symbol": "U",
    "kmh": 200,
    "mph": 124
  },
  {
    "symbol": "H",
    "kmh": 210,
    "mph": 130
  },
  {
    "symbol": "V",
    "kmh": 240,
    "mph": 149
  },
  {
    "symbol": "W",
    "kmh": 270,
    "mph": 168
  },
  {
    "symbol": "Y",
    "kmh": 300,
    "mph": 186
  }
]