The pussy must have been tight. He busted his nut in less than 2 minutes and the sperm came out right away. There is a lot of stretching work to be done.
It is excellent that her first time was with a condomless, black dick and that she took the cum. She can learn to fuck condom-clad, black dicks later--if that should ever become necessary.
her baby with have naturally very black skin, so when all the black boys see her with the baby, she will get plenty of offers for more black fucking..... and she will never turn them down.