The updraft hurt his wings, as he only now truly noticed how fast they had been going. Due to the constant acceleration, they had been falling over three kilometers a second. It hadn’t even been half a minute since he bound up the golem, but they had still fallen nearly a hundred kilometers.
Just to put this in perspective
6,710.80888 miles per hour > Mach 8
So the The United States has a horizontal width of approximately 2,680 miles. Jake is falling 3 widths of the United States a second?
But the updraft on his wings barely strained him.
This author throws out big numbers like crazy!

