@Override
    public String render(Config config, Progress progress) {
        final int dlSpeed = (int) progress.getLastStepSpeedInSecond();
        for (int i = VOLUMES.length - 1; i >= 0; i--) {
            if (dlSpeed > VOLUMES[i]) {
                return toHumanReadableSpeed(dlSpeed, i);
            }
        }
        return toHumanReadableSpeed(dlSpeed, 0);
    }