The verb tenses shifted. It should be:
By the time we got to Austin, the puppy had fallen asleep in the back of the van.
https://www.sparknotes.com/lit/commonsense/section3/
take a look at this link
Greater than the gravity? Idk
A simile is a comparison of two unlike things using "like" or "as".
For example:
"John was like an eagle, as he quickly spotted the rabbit, and was able to capture it."
Note that the word <em>like</em> was used, and that it compared <em>John</em> with the <em>eagle</em>
hope this helps
In the days of communism, many Romanian and Bulgarian children, who now are among the countries' leading technologists, learned to code on replicas of Apple II and ZX Spectrum machines.