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The Speed to Overtake in Time calculator computes the average speed required to overtake a vehicle based on the speed of the vehicle, the head start, and the total distance.
INSTRUCTION: Choose units and enter the following:
- (h) Distance between Vehicles (i.e. the head start)
- (V1) Velocity of Chase Vehicle
- (t) Time in which Chase Vehicle must catch Lead Vehicle
Speed to Overtake (V1) The calculator returns the speed in miles per hour. However, this can be automatically converted to compatible units via the pull-down menu.
NOTE: This works if the lead vehicle is heading back. Just use a negative velocity and it will tell the velocity to intersect in the specified time.
Related Calculators
- Time to Overtake: Computes the distance in which the overtake will occur at constant velocities.
- Distance to Overtake: Computes the distance in which the overtake will occur at constant velocities.
- Speed to Overtake by a Distance: Computes the speed required to intercept within a distance boundary.
- Speed to Overtake in Time: Computes the speed required to intercept within a time boundary.
The Math / Science
The formula for the speed required to overtake in time is:
V1 = V2 + h/t
where:
- V1 is the velocity or speed to overtake
- t is the time when vehicle 1 must overtake vehicle 2.
- h is the distance between the vehicles or the head-start.
- V2 is the velocity of vehicle two.
