Time, Speed and Distance: How Fast Was the Car Going?

December 14, 2009, by Ronald V. Miller, Jr.

The one thing defendants (and plaintiffs for that matter) consistently screw up at deposition is time, speed and distance calculations. Often, how a defendant claims an accident happened could never happen as defendant claims. If you are cross examining a defendant, make use of the following information to back the defendant into an impossible claim on liability:

1 mile per hour = 1.4667 feet per second
10 miles per hour = 14.7 feet per second
20 miles per hour = 29.3 feet per second
25 miles per hour = 36.7 feet per second
30 miles per hour = 44.0 feet per second
35 miles per hour = 51.3 feet per second
40 miles per hour = 58.7 feet per second
45 miles per hour = 66.0 feet per second
50 miles per hour = 73.3 feet per second
55 miles per hour = 80.7 feet per second
60 miles per hour = 88.0 feet per second
65 miles per hour = 95.3 feet per second

Defendants often want to stretch on how fast a plaintiff was going on how slow the defendant was traveling. Often, these stories, even after being prepared by their insurance defense lawyer, are impossible as a matter of physics.