yes, but we know 'the dart' will
downhill much better than that
As long as it is not Class E
C and D in Oz enable fast descents [for sequencing] because VFR hear IFR, and IFR hear VFR, you are known about by ATC, who is not going to let you hit one another
In E, well, even 250kts reducing is gunna be a Mark 1 EB challenge.
At least in the 30nm CTAF/CAGRO IFR can hear VFR broadcasts