What you see is a compressed video, download the prores original file
Format profile : QuickTime
Codec ID : qt   0000.00 (qt  )
File size : 1.99 GiB
Duration : 29s 630ms
Overall bit rate mode : Variable
Overall bit rate : 578 Mbps
Movie name : Quebec-Rue-Christie
Description : This video is about Untitled Project
Encoded date : UTC 2017-08-29 04:42:44
Tagged date : UTC 2017-08-29 04:43:12
Writing library : Apple QuickTime
com.apple.quicktime.keywords : 2017-08-28
com.apple.quicktime.author : David Etienne Durivage
com.apple.quicktime.title : Quebec-Rue-Christie
Video
ID : 1
Format : ProRes
Format version : Version 0
Format profile : 422
Codec ID : apcn
Duration : 29s 630ms
Bit rate mode : Variable
Bit rate : 578 Mbps
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 29.970 (30000/1001) fps
Color space : YUV
Chroma subsampling : 4:2:2
Scan type : Progressive
Bits/(Pixel*Frame) : 2.324
Stream size : 1.99 GiB (100%)
Title : Core Media Video
Writing library : Apple
Encoded date : UTC 2017-08-29 04:42:44
Tagged date : UTC 2017-08-29 04:43:12
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Other
ID : 2
Type : Time code
Format : QuickTime TC
Duration : 29s 630ms
Time code of first frame : 00:00:00:00
Time code, striped : Yes
Title : Core Media Time Code
Encoded date : UTC 2017-08-29 04:42:44
Tagged date : UTC 2017-08-29 04:43:12
Bit rate mode : CBR