It doesn't make it up using a furnace powered cart? *I'm not sure how powerful they are*
The best option which unfortunately is a glitch is to use boosters. There are many types of boosters but they all rely on the main cart your riding in, coming in contact with another cart to the point where they glitch and both carts get launched at max speed.
A simple search on youtube will give tutorials on how to make any of them.
Hopefully soon there will be an official solution to boosters.
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