Answer :
The distance between the checkpoint and the front of the train is constantly receding linearly.
How to calculate distance from the front of the train and the checkpoint?
To calculate the distance between the front of the train and the checkpoint, we must take into account the constant speed of the train to know how many it travels in a given time.
In this case the train has a constant speed of 44 ft/s, so it can be inferred that the distance through time is linear because it does not change speed.
According to this, to know the distance between the front of the train and the checkpoint, it is necessary to multiply the speed by the number of seconds that have passed. For example 3 seconds.
- 44 ft/s × 3s = 132 ft.
Below is the complete table of the distance between the front of the train and the checkpoint at different times.
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