Correct frequency error in AeroDyn driver prescribed motions #3281

Job	Run time
build-all-debug	6m 54s
build-all-debug-single	3m 27s
build-drivers-release	5m 54s
build-postlib-release	11m 48s
build-test-uadriver-debug	2m 11s
rtest-module-drivers	4m 29s
rtest-modules-debug	10m 50s
build-openfast-release	4m 56s
build-fastfarm-release	11m 16s
build-interfaces-release	4m 56s
rtest-OF-5MW_Land_AeroMap	1m 47s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	1m 58s
rtest-OF	13m 35s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	1m 38s
rtest-OF-simulink	10m 27s
rtest-OF-5MW_Land_BD_DLL_WTurb	2m 22s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	5m 16s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	3m 16s
rtest-OF-linearization	4m 59s
rtest-interfaces	4m 11s
rtest-FF	2m 10s
	1h 58m 20s

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