This is why you tend to see hem with larger motors, they're called fat bikes for a reason -aslower than mountain bikes and less effective but softer and lots of fun to ride, and handle 15-20mph bumps better than most pedal bikes. Enioy your bike - search DandyD :)
I'm running a RisunMotor here - it's for cruising and is more art than serious bike, Bafang do an excellent mid drive (BBSHD) with the 170 or 190mm crank width of a Fat bike, if you want a nice fat bike, then the USA is probably the best way to look, but mine here is just a cheap one sanded and...