How move model in particular speed?

[Mrdmlxo]

I want to set particular speed(ex.stud per sec) and move this model.

Its Form :
only primarypart anchored and others welded,

and script ‘roll’ makes the inner rock ‘begock’ rolling,

while wait(0.03) do -- script 'roll'
	script.Parent.begock.Orientation += Vector3.new(0,0,2)
end

(and I can give more info you comment)

How move this in particular speed?
I used Velocity but it didnt move.

script.Parent.PrimaryPart.Velocity = game.Workspace.Center.a.CFrame.LookVector * 500
script.Parent.Parent = game.Workspace
 -- parent of model is Serverstorage

[Aden_Rc (aaden)]

Instead of this:

script.Parent.PrimaryPart.Velocity = game.Workspace.Center.a.CFrame.LookVector * 500
script.Parent.Parent = game.Workspace

Do this:

script.Parent.Parent = game.Workspace
local bv = Instance.new("BodyVelocity", script.Parent)
bv.MaxForce = Vector3.new(math.huge, math.huge, math.huge)
bv.Velocity = workspace.Center.a.CFrame.LookVector * 500

[Mrdmlxo]

keirea = game.ServerStorage.plaot.unsu1:Clone()
keirea.PrimaryPart.Orientation = game.Workspace.unsucarino:FindFirstChild("bumoo"..whatbum).raly.Orientation
keirea.Parent = game.Workspace

local bv = Instance.new("BodyVelocity", keirea)
bv.MaxForce = Vector3.new(math.huge, math.huge, math.huge)
bv.Velocity = game.Workspace.Center.a.CFrame.LookVector * 500

Thx but I put your feedback in script, but it did not work…

As you see, it worked well until line3 but not moved

[Aden_Rc (aaden)]

Try unanchoring your primary part, and then do this instead with the body velocity:

local bv = Instance.new("BodyVelocity")
bv.MaxForce = Vector3.new(math.huge, math.huge, math.huge)
bv.Velocity = game.Workspace.Center.a.CFrame.LookVector * 500
bv.Parent = keirea.PrimaryPart

[Mrdmlxo]

Pretty good!
You gave them life haha!
Sorry for too late answer