The full period of motion of the DEEP DRILLER while tripping is 10 seconds and the maximum pitch angle as seen on the inclinometer is 4 degrees. From the standpoint of critical motion, the motion is ____________.

A
unsatisfactory, place setback in the pipe racks
B
satisfactory, continue tripping
C
unsatisfactory, deballast to survival draft
D
unsatisfactory, place unit in standby
E