Answer:
88 miles per hour
In the Back to the Future franchise, the DeLorean time machine is a time travel device made by retrofitting a DMC DeLorean vehicle with a flux capacitor. The car requires 1.21 gigawatts of power and needs to travel 88 miles per hour (142 km/h) to initiate time travel.
Explanation:
D day is the answer it was when we effort to liberate mainland Europe from the nazis
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