Using the slope concept, it is found that the rate of download of the file is of 1920 MB/s.
The slope of a linear function is given by the change in the output divided by the change in the input.
In this problem:
[tex]m = \frac{3840}{2} = 1920[/tex]
The rate of download of the file is of 1920 MB/s.
You can learn more about the slope concept at https://brainly.com/question/25934562