A jet airliner moving initially at 633mph ( with respect to ground)to the east moves into region where the wind is blowing at 631mph in a direction...

A jet airliner moving initially at 633mph ( with respect to ground)to the east moves into region where the wind is blowing at 631mph in a direction 57 degree north of east.

what is the new speed of the aircraft with respect to ground

Kindly please answer in detail explanation

answer in units of mph.

thanks.