Powershell json auswerten irre langsam oder leer

function Get-ObjectMembers {
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$True, ValueFromPipeline=$True)]
        [PSCustomObject]$obj
    )
    $obj | Get-Member -MemberType NoteProperty | ForEach-Object {
        $key = $_.Name
        [PSCustomObject]@{Key = $key; Value = $obj."$key"}  
    }
}

$Quelle       = "C:\Temp\JsonTest"  

$PSCustomResultArray = @()

gci -Path $Quelle | % {  Get-Content -Raw $_.FullName | ConvertFrom-Json |Get-ObjectMembers | Where-Object Key -Match "VersionInfo" | %{  
    $_.Value | %{

            $rc = New-Object PSObject
            $rc | Add-Member -type NoteProperty -name Pfad -Value $_.Filename
            $rc | Add-Member -type NoteProperty -name Version -Value $_.FileVersion
            $PSCustomResultArray += $rc
            Remove-Variable rc
          }
      }
}

$PSCustomResultArray | Sort-Object -Property Pfad -Descending