def going_slow(data):
    """
    >>> d = [{'speed':5,'angle':0},{'speed':1,'angle':20},{'speed':1,'angle':40},{'speed':1,'angle':60}]
    >>> going_slow(d)
    False
    >>> d = [{'speed':1,'angle':0},{'speed':1,'angle':20},{'speed':1,'angle':0},{'speed':1,'angle':60}]
    >>> going_slow(d)
    True
    """

    if sum([data[i]['speed'] > 3 for i in range(len(data))]) > 0:
        return False
    else:
        return True