function setPlaybackSpeed(speed) {
    /*
      Increments are set in .5 We only accept values
      1, 1.5, 2
       1 -> Regular Speed
      1.5 -> 50% faster
      2 -> Twice as fast
    */
    _core2.default.setPlaybackSpeed(speed);

    /*
      Visually sync the playback speed.
    */
    _playbackSpeedElements2.default.sync();
  }
Sets the playback speed

Public Accessor: Amplitude.setPlaybackSpeed( speed )

@access public