Your question is under-specified (you don't give the size or posture of your subject), so I'm assuming an average-sized woman falling in the classic face-down skydiver posture. I'm also modeling this using the "perfect gas model" of reentry, which is bordering on incorrect -- there's likely to be substantial compression heating at the point of peak deceleration.
Falling the first hundred kilometers takes about 153 seconds. Nothing really interesting happens here, or for the next few minutes. Look around and enjoy the view -- if you're falling near the poles, keep an eye out for the aurora.
After about 305 seconds, you reach the Karman Line, a hundred kilometers above the surface. At this point, you're moving about 2675 meters per second, and the atmosphere is thick enough that you're experiencing about a milli-g of drag.
Acceleration builds up quickly as the atmosphere thickens, and 16 seconds later, about 57 kilometers up, you hit your peak velocity of 2800 meters per second, with drag exactly balancing gravity. Acceleration is still building, though.
Twelve seconds later, at roughly 28 kilometers up, you hit peak deceleration, a crushing 25 times the force of gravity. Wikipedia's acceleration tolerance chart suggests that this is probably not survivable falling back-first (five seconds above 20 gs, where the chart gives a limit of one second). It's definitely not survivable in any other posture. If you didn't have the forcefield, your arms and legs would be dislocated and broken by the forces involved.
The forces fall off nearly as fast as they grew, and you'll be down to a tolerable 4 gs just thirteen seconds after peak, and under two gs just eight seconds later, having shed 2600 m/s in 32 seconds. Peak heat dissipation was roughly 25 megawatts, which Wikipedia says is similar to the reactor output of a Los Angeles-class nuclear submarine.
From here, you drift down, slowing as the atmosphere gets thicker. You hit the ground 560 seconds after you started falling, at a leisurely 50 meters per second. You probably won't even leave a significant crater.
If you're looking for survivability, your best bet is to spread the forcefield out into a circular plate at least two meters across. The fall to the Karman Line isn't changed much, but deceleration starts six seconds earlier, peak velocity is 2750 meters per second, and peak acceleration is only 21 gs. Time spent above 20 gs is roughly a second, right at the chart's limit.
The real change is the descent after slowing down: it really is a drift, lasting 860 seconds after peak deceleration, for a total fall time of 1190 seconds, landing at just 16 meters per second.
