From O.Henry's "The Voice of the City":
I walked up to Broadway. I saw a cop on the corner. The cops take kids up, women across, and men in. I went up to him.
If I'm not exceeding the spiel limit," I said, "let me ask you. You see New York during its vocative hours. It is the function of you and your brother cops to preserve the acoustics of the city. There must be a civic voice that is intelligible to you. At night during your lonely rounds you must have beard it. What is the epitome of its turmoil and shouting? What does the city say to you?

Is substituting "spiel" for "speed" a pun?