This depends mostly on your upload speed. Here are some upload times you can expect:
With a 10 Mbps upload speed (average), a 5.5 GB should take 1 hour.
With a 10 Mbps upload speed, a 1 GB video should take 10 minutes.
Testing your speed
You can find out what your upload speed is here: http://dallas4.testmy.net/ul-6.3MB
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