WOAH
Assuming seconds = 5 seconds you woul approximately (assuming 100 strokes required to reach ejaculation) stroke their richard 20 times per second. That's incredibly fast, and I wouldn't be surprised if sizzling came from the room.
You would be (assuming the richard is 10 inches) (a mile = 63360 inches)
jerking that richard at about (assuming 1 stroke is about 5 ms holy stuff)
really loving fast
You would get somebody to interject within 5 seconds of touching their peeper, and be going 11 mph. Damn.