If the speed limis is25 mph, you only save:
24 seconds per mile by going 30 mph
41.1 seconds per mile by going 35 mph
54 seconds per mile by going 40 mph
And, really, if the speed limit is 25 mph, just where are you? Residences, many with children. Besides, I've never seen a full mile stretch at 25, so you're not even saving THAT much time...
If the speed limit is 30 mph, you only save:
17.1 seconds per mile by going 35 mph
30 seconds per mile by going 40 mph
40 seconds per mile by going 45 mph
If the speed limit is 35 mph, you only save:
12.9 seconds per mile by going 40 mph
22.9 seconds per mile by going 45 mph
30.9 seconds per mile by going 50 mph
Here's where you start to see that it's really not worth speeding. It only gets worse from here...
If the speed limit is 40 mph, you only save:
10 seconds per mile by going 45 mph
18 seconds per mile by going 50 mph
24.5 seconds per mile by going 55 mph
If the speed limit is 45 mph, you only save:
8 seconds per mile by going 50 mph
14.5 seconds per mile by going 55 mph
20 seconds per mile by going 60 mph
If the speed limit is 50 mph, you only save:
6.5 seconds per mile by going 55 mph
12 seconds per mile by going 60 mph
16.6 seconds per mile by going 65 mph
If the speed limit is 55 mph, you only save:
5.5 seconds per mile by going 60 mph
10.1 seconds per mile by going 65 mph
14.1 seconds per mile by going 70 mph
17.5 seconds per mile by going 75 mph
If the speed limit is 60 mph, you only save:
4.6 seconds per mile by going 65 mph
9.6 seconds per mile by going 70 mph
12 seconds per mile by going 75 mph
15 seconds per mile by going 80 mph
If the speed limit is 65 mph, you only save:
4 seconds per mile by going 70 mph
7.4 seconds per mile by going 75 mph
10.4 seconds per mile by going 80 mph
13 seconds per mile by going 85 mph
If the speed limit is 70 mph, you only save:
3.4 seconds per mile by going 75 mph
6.4 seconds per mile by going 80 mph
9 seconds per mile by going 85 mph
11.4 seconds per mile by going 90 mph
If the speed limit is 75 mph, you only save:
3 seconds per mile by going 80 mph
5.6 seconds per mile by going 85 mph
8 seconds per mile by going 90 mph
10.1 seconds per mile by going 95 mph
If the speed limit is 80 mph, you only save:
2.6 seconds per mile by going 85 mph
5 seconds per mile by going 90 mph
7.1 seconds per mile by going 95 mph
9 seconds per mile by going 100 mph